From d968b3c86fc59507e3604ebc704aeb111f301a12 Mon Sep 17 00:00:00 2001
From: Jeff Johnston <jjohnstn@redhat.com>
Date: Tue, 31 Jan 2006 19:33:56 +0000
Subject: 2006-01-31  Leif Ekblad  <leif@rdos.net>

        * configure.host: RDOS support added
        * libc/include/sys/config.h: Ditto.
        * libc/sys/rdos/Makefile.am, libc/sys/rdos/Makefile.in: New files.
        * libc/sys/rdos/aclocal.m4, libc/sys/rdos/chown.c: Ditto.
        * libc/sys/rdos/close.c, libc/sys/rdos/config.h: Ditto.
        * libc/sys/rdos/configure, libc/sys/rdos/configure.in: Ditto.
        * libc/sys/rdos/crt0.S, libc/sys/rdos/execve.c: Ditto.
        * libc/sys/rdos/fork.c, libc/sys/rdos/fstat.c: Ditto.
        * libc/sys/rdos/getenv.c, libc/sys/rdos/getpid.c: Ditto.
        * libc/sys/rdos/gettod.c, libc/sys/rdos/isatty.c: Ditto.
        * libc/sys/rdos/kill.c, libc/sys/rdos/link.c: Ditto.
        * libc/sys/rdos/lseek.c, libc/sys/rdos/open.c: Ditto.
        * libc/sys/rdos/rdos.S, libc/sys/rdos/rdos.h: Ditto.
        * libc/sys/rdos/rdoshelp.c, libc/sys/rdos/read.c: Ditto.
        * libc/sys/rdos/readlink.c, libc/sys/rdos/sbrk.c: Ditto.
        * libc/sys/rdos/stat.c, libc/sys/rdos/symlink.c: Ditto.
        * libc/sys/rdos/times.c, libc/sys/rdos/unlink.c: Ditto.
        * libc/sys/rdos/user.def, libc/sys/rdos/wait.c: Ditto.
        * libc/sys/rdos/write.c: Ditto.
---
 newlib/libc/sys/rdos/open.c | 59 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 59 insertions(+)
 create mode 100755 newlib/libc/sys/rdos/open.c

(limited to 'newlib/libc/sys/rdos/open.c')

diff --git a/newlib/libc/sys/rdos/open.c b/newlib/libc/sys/rdos/open.c
new file mode 100755
index 000000000..e98910648
--- /dev/null
+++ b/newlib/libc/sys/rdos/open.c
@@ -0,0 +1,59 @@
+/*#######################################################################
+# RDOS operating system
+# Copyright (C) 1988-2006, Leif Ekblad
+#
+# This library is free software; you can redistribute it and/or modify
+# it under the terms of the GNU Lesser General Public License as published
+# by the Free Software Foundation; either version 2.1 of the License, or
+# (at your option) any later version.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this library; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 
+#
+# The author of this program may be contacted at leif@rdos.net
+#
+# open.c                                                                
+# open function implementation
+#
+##########################################################################*/
+
+#include "config.h"
+#include <_ansi.h>
+#include <_syslist.h>
+#include <fcntl.h>
+#include <errno.h>
+#include "rdos.h"
+#include <stdarg.h>
+
+int open(const char *file, int flags, ...)
+{
+	int handle;
+	int pos;
+
+	if (flags & O_CREAT)
+		handle = RdosCreateFile(file, flags);
+	else
+		handle = RdosOpenFile(file, flags);
+
+	if (handle >= 0)
+	{
+		if (flags & O_APPEND)
+		{
+			pos = RdosGetFileSize(handle);
+			RdosSetFilePos(handle, pos);
+		}
+
+		if (flags & O_TRUNC)
+			RdosSetFileSize(handle, 0);
+	
+		return handle;
+	}
+	else
+		return -1;
+}
-- 
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